Home / 268,932.20-371,126.43-149,700.20

Finding the Fourth Proportional to 268,932.20, 371,126.43 and 149,700.20

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Solution

The fourth proportional to 268,932.20, 371,126.43 and 149,700.20 is: 206,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,932.20 : 371,126.43 = 149,700.20 : x
  2. Step 2: Convert to fraction form
    268,932.20/371,126.43 = 149,700.20/x
  3. Step 3: Cross multiply
    268,932.20x = 371,126.43 × 149,700.20
  4. Step 4: Simplify right side
    268,932.20x = 55,557,698,940.65
  5. Step 5: Solve for x
    x = 55,557,698,940.65/268,932.20
  6. Step 6: Final answer
    x = 206,586.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.